Examlex
Referencing a relation,the sequence of columns cannot be interchanged without changing the meaning or use of the relation.
Operating System
The software that manages the hardware and software resources of a computer or mobile device.
Physician's Approval
Formal consent or agreement given by a physician to proceed with a treatment, procedure, or course of action.
Medical Practice
A professional and standardized practice involving diagnosis, treatment, and prevention of diseases by licensed healthcare providers.
Handheld Device
A small-sized computing device designed to be operated and held in one's hands, such as a smartphone or tablet.
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